ABB ACS880 Firmware Manual page 604

604 Fault tracing
Code
Fault
(hex)
000E...0010 Internal error.
FF7E Follower
FF81 FB A force trip
FF82 FB B force trip
FF8E EFB force trip
Cause
A follower drive has tripped.
A fault trip command has been
received through fieldbus
adapter A.
A fault trip command has been
received through fieldbus
adapter B.
A fault trip command has been
received through the
embedded fieldbus interface.
What to do
Contact your local ABB representative.
Check the event log for an auxiliary code.
Add 2 to the code for finding the node
address of the faulted drive.
Correct the fault in the follower drive.
Check the fault information provided by
the PLC.
Check the fault information provided by
the PLC.
Check the fault information provided by
the Modbus controller.